UMG Musical Grids is an Unreal Engine plugin for building music-aware timeline and grid interfaces in UMG. Its based on the Enhanced UI Architecture.

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It provides the musical grid foundation commonly needed by piano rolls, MIDI editors, sequencers, clip editors, step sequencers, automation lanes, rhythm tools, music learning interfaces, and runtime music applications.

Instead of rebuilding musical time layout from scratch, you can configure bars, beats, subdivisions, time signature, ticks per quarter note, quantization, orientation, spacing, playhead rendering, and pointer-to-music conversion through a focused UMG widget..

UMG Musical Grids is designed as the grid layer inside a larger music UI system. It handles the musical time grid, quantized pointer positions, snapping support, visual subdivision display, and playhead overlay, while your project remains responsible for higher-level behavior such as note data, clip data, playback, MIDI routing, sequencing, editing tools, and audio generation.

Use it when you need a reusable UMG grid that understands musical time instead of a generic pixel-based layout.

Core features

• Bar and beat grid generation

• Optional musical subdivisions

• Half-beat, third-beat, quarter-beat, and sixth-beat divisions

• Step, half-step, third-step, quarter-step, and sixth-step divisions

• Time signature support

• Ticks-per-quarter-note support

• Horizontal or vertical musical time orientation

• Configurable bar spacing

• Musical axis size in beats

• Grid density modes

• Grid quantization modes

• Movement and resize snapping from musical quantization

• Pointer events reported in beats and bars

• Quantized and unquantized pointer positions

• Primary-button and touch input support

• Playhead cursor rendering

• Designer-editable line styles, labels, ticks, and backgrounds

• Blueprint and C++ friendly API

• Based on Enhanced UI Grids